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1.
A euphemism for "Mexican", when speaking about Mexicans and not wanting to mention them or when talking about Mexicans with Mexicans within hearing distance.
Also how Scooby Doo says "Mexican".
"Ruh roh Raggy! Rexican!"
by TFE June 06, 2006
 
2.
A person of Latin-American heritage who has naturally red hair.
Dude, she's a Rexican! You don't see those!
by mistermog August 10, 2011